American Congress of Obstetricians and Gynecologists (ACOG) is a nonprofit organization of professionals who provide health care for women, including teens. The ACOG Resource Center publishes manuals and patient education materials. The Web publications section of the site has patient education pamphlets on many women's health topics, including reproductive health, breast-feeding, violence, and quitting smoking.

Visit the American Heart Association (AHA) website for information on physical activity, diet, and various heart-related conditions. You can search for information on heart disease and stroke, share information with friends and family, and use tools to help you make heart-healthy goals and plans. Contact the AHA to find your nearest local or state AHA group. The AHA provides brochures and information about support groups and community programs, including Mended Hearts, a nationwide organization whose members visit people with heart problems and provide information and support.

The Hormone Health Network is a nonprofit organization started by the Endocrine Society. The organization promotes the prevention, treatment, and cure of hormone-related conditions through public outreach and education.

The National Center for Complementary and Alternative Medicine (NCCAM) at the National Institutes of Health (NIH) explores complementary and alternative healing practices in the context of rigorous science, trains complementary and alternative medicine researchers, and gives out authoritative information.

The National Osteoporosis Foundation (NOF) funds research and publishes educational material about osteoporosis for consumers and health professionals. The NOF also provides information about bone density testing sites, new treatment, and local groups interested in osteoporosis. The foundation's mission is to prevent osteoporosis, promote lifelong bone health, help improve the lives of those affected by osteoporosis and related fractures, and find a cure.

The North American Menopause Society (NAMS) is a nonprofit organization that promotes the understanding of menopause and thereby improves the health of women as they approach menopause and beyond. NAMS members include experts from medicine, nursing, sociology, psychology, nutrition, anthropology, epidemiology, pharmacy, and education. The NAMS website has information on perimenopause, early menopause, menopause symptoms and long-term health effects of estrogen loss, and a variety of therapies.

The Office on Women's Health is a service of the U.S. Department of Health and Human Services. It provides women's health information to a variety of audiences, including consumers, health professionals, and researchers.